(19)

(11)

EP 3 669 069 A1

(12)

(43) Date of publication: 24.06.2020 Bulletin 2020/26 (21) Application number: 18752759.3 (22) Date of filing: 09.08.2018

(51) International Patent Classification (IPC):  F03B 3/02(2006.01) F03B 11/00(2006.01) (86) International application number: PCT/EP2018/071616 (87) International publication number: WO 2019/034521 (21.02.2019 Gazette 2019/08)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 14.08.2017 US 201762545135 P 02.08.2018 US 201862713650 P (71) Applicant: Voith Patent GmbH 89522 Heidenheim (DE)	(72) Inventors: COULSON, Stuart Seven Valleys, PA 17360 (US) HARMER, Brandon York, PA 17402 (US) ZOLL, Jesse Mountville, PA 17554 (US)